Astor Tower, Chicago, Illinois, Louver Detail
Bertrand Goldberg American, 1913–1997- Date
- c. 1960
- Medium
- Graphite and colored pencil on vellum
- Dimensions
- 53 × 91 cm (20 7/8 × 35 7/8 in.)
- Department
- Architecture and Design
- Credit line
- The Archive of Bertrand Goldberg, gifted by his children through his estate